Electric lantern.



F. I. BAIRD.

ELECTRIC LANTERN. 4 APPLICATIQN FILED 950.4. 191s'.

Patented Sept. 1T, 1918.

2 SHEETS-SHEET 1,.

F. T, BAIRD.

ELECTRIC LANTERN.

APPLICATION FILED No.4, 1916A Patented Sept. 17, 1918L w. w j

' T it concern UnUTtf-,DY ESTEVE y 4 rmx '1". AJanina),

:Be itflmownthat- I, FRANK T. BAIRD, a

' y eingeliefert Unite-1 'sate-s, residing sterne carattere-lem Island,they county .of "Cook and f State. of

Illinois, have 'inventedacertain new and lSeflll' IHIPIOVGI'IlQtlin'Electr-te Lanterns, of

Vis a specification.-

Myinvention re' .etes to .electric lanterns stonyI Y .vjbattl'lesere nowr -ket-of ai ypefcornmonlycalled kor use in raliflin'a.A `service :andunder other ,y

conditions reqiiimng .a .reliable and veiiicient .'totheone shown 1n -mvzoation Seri;a1jNo. 134,871, filed on ever dateherewithland also to theone shear; iraient .Neiflalaa granted to mev F bualy" 24; '1914. "It`Will-be underyth'ose V-arniliar with the .art that obtainable rrecharge dry These are simiIartothe well tatretries.,fv v y cells,exceptthat they arevr espeknown y,dry

i ianylaaaptedlm be. :recharged by replenish- V 4 mgl the necessaryteryj and-being large enough lto contain an f 7 vslipp'ly o water Vandthen, passlng an l.electric current through the ,batter'yffin 'the`ordina-ry manner.

objectsy of my invention .is "to 4adapt the laV 'I provi ea speciallwithin fthe" lantern casing,`tliis receptacle -containingpthe ,bat-'overflow` of waterv incase water should be,

' A .spilled dringith'e Vacto'f pouring it inte the Y the recharge,battery battery, or should escapefromthe battery, his receptacle isso`ctmstiiucte-d that 1t an@ `maybe substituted for an ordinary. dry`battery without changing Y g toA show different colors Also y rpartially collapse illustrated in which:

. 12s rwill be'e'xp'lained. .thetlilogj `vention yisf to4 provide mennewhereby the thelconstruction of the lantern isaccomplished by ,cert ilThis object dints which ct ofthe inlanterngmay 'b .quid-13 :Wild easilyCalhsed ,without changmg' vide means jfor4 guarding the lamp' so thatink u case ofjbreakage,

' when used in coal mines f where inflammabl it' willV not) ignite gasesor other-:situations e gases are apt to'be found.. Another' object lisrthe lntern'may be ennot in use.

o tammy Objects by the construction cientymeans wherebf Figure l is anelevation of the partly 1n axial f lantern, sectlon. I

n Y 4 j Spccicationrof Letters Patent. l l Application filed December 4,19,16. Serial No.

prcontlanterniis analogous in upon the marne of the. tern to :use-one of:these rechar *batteries Ilflf accomplishing this, water-tightlreceptacle pendecl hy'abail 3 to prov-ide sim-ple and efin theaccompanying drawings, VVmay be retracted Patented sept. 17, ers.134,572.

Fig. 2j is a plan section on the line 2 2, Fig. l.

Fig., 3 is a side `view of the tacle and lpar-'ts 1 mountedwthereon',the centralj portion being broken yawa Fig. 4 is a top'view of theattery, shows inaportion ofthe terminal leads.

tern. y

Fig. 6 is aplan` section on the line. 644i, Fig.l.,

.Fig 7 is n a perspective viewof the shade Which guards the lamp andalso colors the light rays when a colored' shade is selected.-

1g. 5 is `a bottom plan -vi'ew of the lan-,

battery recepportable, main Vcylindri- ,The easinghas a convex bottomgwith an I opening at. the center for receiving the base of; theflamp 6-which IrI Qhe casing is preferably provided-With a stand consisting inth "present 8, 8, the lower' ends of which are omitted as their form `isnot essential. At therupperends, said legs are fastened to a ring 9which i'slidesvertically on the outside of the casing. in the presentSaid instance and at` the proximate ends has flanges 10, 10- which areapertured to receive the clamping bolt l1.' Said bolt is provided at oneend with a nut 12 and at the other screws into the socket 1 case oi'legs end 'with an eccentric-13 operated hy' means of a handle 14. Thethat when the handl shown in FignQ, it the casingand hold' 1tv in anyisthrow back, it'causes Vthe eccentric lto loosen the ring, whereupon itmay be slid to .any desired position upon the casing. In' this way, thelegs or supporting `framework may be extended practically alongside thecasing. VIn the latfe is inacting position,A Will clamp the ring onto.

positionto `which the ing' is adjusted. Whenthe handle parts are soconstructed 'l its ter case, the' device will occupy but` small.

space.

'r consisting chiefly ofthe platform 17 carf -y the ytrunnionjp'ins.l Y1 center contactflSrand'a ring] 'center contact 1s v electrica ried bysidearms 27,727 suspended from Said platform has a the center screwA 2Ovrvhichy engagesthelcenter contact ofthe lampwhen vthe latter rs 1nposition, as'shown in Fig. 1.' The ring or outerV 1 fgaged by the mainswitch`22wh1ch 1s in per# 'W'inanent "electricr connection with thelamp' contact 19 hasja lug 21in position. to be ensocket 7. :Switch 22-is operated by azscrew 2liY carried fat thek lower ,end of La.Switch-Opf eratin'g rodi25.f rSaid rod is tvertically mov.-r fable inthercasng. and is jactuatedvbyyc'am s mechanism at the upper end oftherod.y f "Said cam mechanism` is jo'p'erated bymthe'bail- 3. "The precisemechanism need not bedescribed lin detail here as it isnot herein yclaimed and is shown; in 'detailrin my comy lowered,

anioriapplication hereinabove 'referred to.`

tis su cient u I ngth'e ba rom onesidetto liat the bottoni foryieldingly"grlpping'the des oi the battery ottomlofjthe'receptacle andpressing radiallyfinwardto engage the sides of thebatf fteryandfholdfit,securely against lateral f Y AE1-ate 35 is slotted at theends'toreceive Q and ec-guided vertically bythe side arms` 27. Thisplateis fastened to the bottom of the receptacle 3Q and hence .preventssidewise vmotion of the'battery receptacle re1a- 'tivelytofthemaincasing. Said plate has aA resilient"center'terminal 36 whichliselecftrically connected to thelower end of-a con- Y duct-0x37 ywhich leads uppermissibly along the outside of the receptacle and yatthe ilpouiited,mi the underside of plate 35 provid Y th means vivi most and* l 4'().which are respectively readily seen in Fig. 3, engag:e

, the center Contact 18 and ring' @ontact 19, and

as they are resilient, they forma cushion for ntact19. Therv yfconnected .to i

i ordinari 'r the`v present `pur-spose to lsay 32.'V j Thesepclipsconsisty I in the,v present case' 'of yupright resilient iin-r tigersrigidlyf'fastened to the inside Aof the used, the receptacle 30 willfirst l Within 'the casing is .a stationaryy vframev 'ieldinglysupportingxtheybatteryreceptac he receptacle itself isof somewhat i le,

The result is that "i sidev of the*battery,`

Vthe receptacle and hen ,n u c parts of the lantern y'fromgetti 'Ybcomin fouled. Ayrecharge fyi made with a ceny open at the topiy Innilantern, f ber isfclosed by a cap 44 hic s" ellddd bya bar 45 over whi't curedY to the'unde'rsid feature,` Qlioweirer, c is no is shown in the'compa f Secured to theconve rare Vclips 50,v one o 'spective inf Fig. 1

finger 51V adapted to formedfat the jrim of shade,` vvvhiclfiv is y Y,has notches'54 i thes adl V l plyingit to the b to frnitting' notches"vr5 and then rotatin shown separately in 56, formedin tl op creates enoughifi 1ct1 'froinr accidentally yro coming dislodged;

yforms a second yfun* n i 7 i connection between theshad ybottomairftighn 4Hen yth broken the inc and'escen filament have'ac ss totheatmosphereoutside shade/iii; This'is 'of speclalimportanc mines. orother 1 places iv gases are encountered. l `-'lhe 'clips 5'()also'ls'upport th .60', lshown 'separately'in` has" n ot'ehe's 61lWhich-yp ends of the yclips and permit' th 4attached). Dependin guardwires 62 wh form `oi" an :openr bas terna) objects? nInopcration,if'arec tery st into place in the Casin the plate 35'stra'ddling rie:

the resilient terminals 36,

the vcenter,contact ,18' an e. Y are,` hen made to e y iconnectionfbetiiveen the batter te iiiinals and the condiictqrs i'vand;`41. The bar 45 isthen lowered into place-to 'holdthei

